Take the strain off by rolling this wheeled pack or use the shoulder straps to carry it like a backpack.600 denier polyester with ripstop accents and reinforced bottomLarge main compartment with hooded zip closure12-inch deep top front pocketLower front pocket with padded protectionOne-hand push button pulley system for easy use and stowage; handle extends to 18.5 Air mesh shoulder straps tuck away into padded backWheel cover stashes into zip pocket on backSmooth durable inline skate wheels Dimensions: 18.5 h x 13 w x 7.9 d; Approx. 1 900 cubic inchesNote: Bags not intended for use by children 12 and under. Includes a California Prop 65 and social responsibility hangtag.